//指针运算和++运算
#include <stdio.h>
int main(void)
{
    int a[5]={3,5,9,7,4};
    int *p=a;
    printf("%d\n",*p);   //3
    printf("%d\n",*p++);   //3
    printf("%d\n",*p);    //5
    p=a;
    printf("%d\n",*p);   //3
    printf("%d\n",*++p);  //5
    printf("%d\n",*p);    //5
    p=a;
    printf("%d\n",(*p)++); //3   首位自增
    printf("%d\n",*p);  //4    
    
    return 0;
}